<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div {
            height: 100px;
            width: 100px;
        }

        .one {
            float: left;
            background-color: pink;

        }

        .two {
            /*float: right;*/
            float: left;
            background-color: red;
        }
    </style>
</head>
<body>
<div class="one">one</div>
<div class="two">two</div>
</body>
</html>